glowing light in a vacuum tube
Anybody have any good tips on doing this?
It's a glass tube, like a vacuum tube on a tube amp. I want it to have a glowing filament(sp?) in it. I'm trying it with point lights and no fall off with Volumetric set with a small radius.
I just want there to be a glowing light within the tube and not outside of it. Am I using the wrong light or?
Thanks
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